Gets the supplied XML Path Language (XPath) types for the function's argument list. This information can be used to discover the signature of the function which allows you to differentiate between overloaded functions.

Gets the maximum number of arguments for the function. This enables the user to differentiate between overloaded functions.

Gets the minimum number of arguments for the function. This enables the user to differentiate between overloaded functions.

Gets the System.Xml.XPath.XPathResultType representing the XPath type returned by the function.

Provides the method to invoke the function with the given arguments in the given context.